Never for a second in our life _______ the importance of keeping our family company.

The old man came ______ to the railway station, only______ the train was slowly pulling out of the station.

Attention, please. The plane has to be _______ because of the heavy rain.–Oh, bad luck! We have to wait now.

Some people plan to ______ a volunteer project to help the disabled children.

You will know how cool it is to achieve your dream ______ your own hard work.